@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix edu: <https://knobit.org/def/> .
@prefix knobit: <https://knobit.org/id/knobit/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix register: <https://knobit.org/id/register/> .
@prefix schema: <https://schema.org/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

knobit:K-823 a edu:Knobit ;
    rdfs:label "Recognises a drop script used as a rollback"@en ;
    dcterms:identifier "K-823" ;
    dcterms:license <https://creativecommons.org/licenses/by/4.0/> ;
    dcterms:source "Review checklist 05-ddl, row 23; this skill (08-ddl.md); Humble & Farley 2010"@en ;
    owl:sameAs <https://bitbucket.org/reffa/ontology/id/knobit/data-modelling/08-ddl/23> ;
    skos:altLabel "Drop script used as a migration rollback (generated DDL)"@en ;
    skos:definition "`99_drop_tables.sql` in a release runbook's rollback step. It drops the tables in reverse dependency order, which is a rollback for a greenfield deploy into a scratch or CI database. Anywhere else it is a data-loss procedure with a reassuring filename."@en ;
    skos:prefLabel "Recognises a drop script used as a rollback"@en ;
    edu:actionVerb "Recognises"@en ;
    edu:appliesKnowledge knobit:K-857 ;
    edu:assessmentCriterion "Flags the deficient case and passes the acceptable one. Deficient: The runbook for a `fact_payment` change says \"on failure, run `99_drop_tables.sql` and redeploy\"; run against the warehouse it removes four years of payments and every dimension they pointed at Acceptable: `99_drop_tables.sql` used only to rebuild the CI scratch database. The migration's rollback is written with the migration, and the runbook names the restore point for every step that cannot be reversed"@en ;
    edu:assessmentMethod "skill-tests task: Generated DDL review, Postgres and Snowflake (DDL review skills)"@en ;
    edu:conformsToProfile <https://oppekava.edu.ee/a/Knobitite_kirjeldamise_ja_seostamise_reeglid#LCG-KNOBIT-0.1> ;
    edu:contextFunction <https://knobit.org/def/contextFunction/resultEvaluation> ;
    edu:creationMethod <https://knobit.org/def/creationMethod/aiGeneratedHumanEdited> ;
    edu:expectedResult "The data it would remove and the real rollback"@en ;
    edu:graphRelevance <https://knobit.org/def/graphRelevance/learnerState>,
        <https://knobit.org/def/graphRelevance/taskSelection> ;
    edu:knobitType <https://knobit.org/def/knobitType/skill> ;
    edu:targetObject "drop script in a runbook"@en ;
    schema:creativeWorkStatus "accepted" ;
    schema:isPartOf register:data-modelling .

edu:Knobit rdfs:label "Knobit"@en,
        "Knobit"@et .

knobit:K-857 rdfs:label "Explains schema migration and rollback"@en .